The way it works is that when the alarm starts ringing in the morning, the clock uses its two displays and two rotatable parts to create a math problem, for example 8+2=?. It won’t stop ringing until you give it the right answer. 5-4=2, as seen in the picture above, won’t work. Maker D-Forme says the main idea behind their clock is to force buyers to activate their brains in the morning.

You can buy one for only $30 from Japan Trend Shop if you live in Japan 😀 . If you don’t you can contact them and ask them if they ship to your country.